Under Armour Speedform Apollo Shoe - Women's Black / White 004 7.5 Synthetic Seamless heel cup with silicone grip for a locked-in, anatomical fit Smooth, ultrasonic welded seaming with Bemis tape for next-to-skin support and comfort Perforated toe with ultrasonic seal for durable breathability Full-length Micro G midsole creates an incredibly lightweight and responsive ride TPU shank at midfoot for extra support and stability